/*
* Generic DCT based hybrid video encoder
- * Copyright (c) 2000, 2001, 2002 Fabrice Bellard.
+ * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
* Copyright (c) 2002-2004 Michael Niedermayer
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
- * @file mpegvideo.h
+ * @file
* mpegvideo header.
*/
#define AVCODEC_MPEGVIDEO_H
#include "dsputil.h"
-#include "bitstream.h"
+#include "get_bits.h"
+#include "put_bits.h"
#include "ratecontrol.h"
#include "parser.h"
+#include "mpeg12data.h"
+#include "rl.h"
#define FRAME_SKIPPED 100 ///< return value for header parsers if frame is not coded
FMT_H264,
};
-#define EDGE_WIDTH 16
-
#define MPEG_BUF_SIZE (16 * 1024)
#define QMAT_SHIFT_MMX 16
#define MAX_FCODE 7
#define MAX_MV 2048
-#define MAX_THREADS 8
+#define MAX_THREADS 16
#define MAX_PICTURE_COUNT 32
#define ME_MAP_SHIFT 3
#define ME_MAP_MV_BITS 11
-/* run length table */
-#define MAX_RUN 64
-#define MAX_LEVEL 64
-
-#define I_TYPE FF_I_TYPE ///< Intra
-#define P_TYPE FF_P_TYPE ///< Predicted
-#define B_TYPE FF_B_TYPE ///< Bi-dir predicted
-#define S_TYPE FF_S_TYPE ///< S(GMC)-VOP MPEG4
-#define SI_TYPE FF_SI_TYPE ///< Switching Intra
-#define SP_TYPE FF_SP_TYPE ///< Switching Predicted
-
#define MAX_MB_BYTES (30*16*16*3/8 + 120)
#define INPLACE_OFFSET 16
-/**
- * Scantable.
- */
-typedef struct ScanTable{
- const uint8_t *scantable;
- uint8_t permutated[64];
- uint8_t raster_end[64];
-#ifdef ARCH_POWERPC
- /** Used by dct_quantise_alitvec to find last-non-zero */
- DECLARE_ALIGNED_8(uint8_t, inverse[64]);
-#endif
-} ScanTable;
+/* Start codes. */
+#define SEQ_END_CODE 0x000001b7
+#define SEQ_START_CODE 0x000001b3
+#define GOP_START_CODE 0x000001b8
+#define PICTURE_START_CODE 0x00000100
+#define SLICE_MIN_START_CODE 0x00000101
+#define SLICE_MAX_START_CODE 0x000001af
+#define EXT_START_CODE 0x000001b5
+#define USER_START_CODE 0x000001b2
/**
* Picture.
uint8_t *interpolated[3];
int16_t (*motion_val_base[2])[2];
uint32_t *mb_type_base;
-#define MB_TYPE_INTRA MB_TYPE_INTRA4x4 //default mb_type if theres just one type
+#define MB_TYPE_INTRA MB_TYPE_INTRA4x4 //default mb_type if there is just one type
#define IS_INTRA4x4(a) ((a)&MB_TYPE_INTRA4x4)
#define IS_INTRA16x16(a) ((a)&MB_TYPE_INTRA16x16)
#define IS_PCM(a) ((a)&MB_TYPE_INTRA_PCM)
#define IS_ACPRED(a) ((a)&MB_TYPE_ACPRED)
#define IS_QUANT(a) ((a)&MB_TYPE_QUANT)
#define IS_DIR(a, part, list) ((a) & (MB_TYPE_P0L0<<((part)+2*(list))))
-#define USES_LIST(a, list) ((a) & ((MB_TYPE_P0L0|MB_TYPE_P1L0)<<(2*(list)))) ///< does this mb use listX, note doesnt work if subMBs
+#define USES_LIST(a, list) ((a) & ((MB_TYPE_P0L0|MB_TYPE_P1L0)<<(2*(list)))) ///< does this mb use listX, note does not work if subMBs
#define HAS_CBP(a) ((a)&MB_TYPE_CBP)
int field_poc[2]; ///< h264 top/bottom POC
int poc; ///< h264 frame POC
- int frame_num; ///< h264 frame_num
- int pic_id; ///< h264 pic_num or long_term_pic_idx
+ int frame_num; ///< h264 frame_num (raw frame_num from slice header)
+ int mmco_reset; ///< h264 MMCO_RESET set this 1. Reordering code must not mix pictures before and after MMCO_RESET.
+ int pic_id; /**< h264 pic_num (short -> no wrap version of pic_num,
+ pic_num & max_pic_num; long -> long_pic_num) */
int long_ref; ///< 1->long term reference 0->short term reference
- int ref_poc[2][16]; ///< h264 POCs of the frames used as reference
- int ref_count[2]; ///< number of entries in ref_poc
+ int ref_poc[2][2][16]; ///< h264 POCs of the frames used as reference (FIXME need per slice)
+ int ref_count[2][2]; ///< number of entries in ref_poc (FIXME need per slice)
+ int mbaff; ///< h264 1 -> MBAFF frame 0-> not MBAFF
int mb_var_sum; ///< sum of MB variance for current frame
int mc_mb_var_sum; ///< motion compensated MB variance for current frame
typedef struct MotionEstContext{
AVCodecContext *avctx;
int skip; ///< set if ME is skipped for the current MB
- int co_located_mv[4][2]; ///< mv from last p frame for direct mode ME
+ int co_located_mv[4][2]; ///< mv from last P-frame for direct mode ME
int direct_basis_mv[4][2];
- uint8_t *scratchpad; ///< data area for the me algo, so that the ME doesnt need to malloc/free
+ uint8_t *scratchpad; ///< data area for the ME algo, so that the ME does not need to malloc/free
uint8_t *best_mb;
uint8_t *temp_mb[2];
uint8_t *temp;
int bit_rate; ///< wanted bit rate
enum OutputFormat out_format; ///< output format
int h263_pred; ///< use mpeg4/h263 ac/dc predictions
+ int pb_frame; ///< PB frame mode (0 = none, 1 = base, 2 = improved)
/* the following codec id fields are deprecated in favor of codec_id */
int h263_plus; ///< h263 plus headers
int stream_codec_tag; ///< internal stream_codec_tag upper case converted from avctx stream_codec_tag
/* the following fields are managed internally by the encoder */
- /** bit output */
- PutBitContext pb;
-
/* sequence parameters */
int context_initialized;
- int input_picture_number; ///< used to set pic->display_picture_number, shouldnt be used for/by anything else
- int coded_picture_number; ///< used to set pic->coded_picture_number, shouldnt be used for/by anything else
+ int input_picture_number; ///< used to set pic->display_picture_number, should not be used for/by anything else
+ int coded_picture_number; ///< used to set pic->coded_picture_number, should not be used for/by anything else
int picture_number; //FIXME remove, unclear definition
int picture_in_gop_number; ///< 0-> first pic in gop, ...
int b_frames_since_non_b; ///< used for encoding, relative to not yet reordered input
Picture **input_picture; ///< next pictures on display order for encoding
Picture **reordered_input_picture; ///< pointer to the next pictures in codedorder for encoding
+ int y_dc_scale, c_dc_scale;
+ int ac_pred;
+ int block_last_index[12]; ///< last non zero coefficient in block
+ int h263_aic; ///< Advanded INTRA Coding (AIC)
+
+ /* scantables */
+ ScanTable inter_scantable; ///< if inter == intra then intra should be used to reduce tha cache usage
+ ScanTable intra_scantable;
+ ScanTable intra_h_scantable;
+ ScanTable intra_v_scantable;
+
+ /* WARNING: changes above this line require updates to hardcoded
+ * offsets used in asm. */
+
+ /** bit output */
+ PutBitContext pb;
+
int start_mb_y; ///< start mb_y of this thread (so current thread should process start_mb_y <= row < end_mb_y)
int end_mb_y; ///< end mb_y of this thread (so current thread should process start_mb_y <= row < end_mb_y)
struct MpegEncContext *thread_context[MAX_THREADS];
int16_t *dc_val_base;
int16_t *dc_val[3]; ///< used for mpeg4 DC prediction, all 3 arrays must be continuous
int16_t dc_cache[4*5];
- int y_dc_scale, c_dc_scale;
const uint8_t *y_dc_scale_table; ///< qscale -> y_dc_scale table
const uint8_t *c_dc_scale_table; ///< qscale -> c_dc_scale table
const uint8_t *chroma_qscale_table; ///< qscale -> chroma_qscale (h263)
uint8_t *coded_block; ///< used for coded block pattern prediction (msmpeg4v3, wmv1)
int16_t (*ac_val_base)[16];
int16_t (*ac_val[3])[16]; ///< used for for mpeg4 AC prediction, all 3 arrays must be continuous
- int ac_pred;
uint8_t *prev_pict_types; ///< previous picture types in bitstream order, used for mb skip
#define PREV_PICT_TYPES_BUFFER_SIZE 256
int mb_skipped; ///< MUST BE SET only during DECODING
int *lambda_table;
int adaptive_quant; ///< use adaptive quantization
int dquant; ///< qscale difference to prev qscale
- int pict_type; ///< I_TYPE, P_TYPE, B_TYPE, ...
+ int closed_gop; ///< MPEG1/2 GOP is closed
+ int pict_type; ///< AV_PICTURE_TYPE_I, AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, ...
int last_pict_type; //FIXME removes
int last_non_b_pict_type; ///< used for mpeg4 gmc b-frames & ratecontrol
int dropable;
uint8_t (*b_field_select_table[2][2]);
int me_method; ///< ME algorithm
int mv_dir;
-#define MV_DIR_BACKWARD 1
-#define MV_DIR_FORWARD 2
+#define MV_DIR_FORWARD 1
+#define MV_DIR_BACKWARD 2
#define MV_DIRECT 4 ///< bidirectional mode where the difference equals the MV of the last P/S/I-Frame (mpeg4)
int mv_type;
#define MV_TYPE_16X16 0 ///< 1 vector for the whole mb
MotionEstContext me;
int no_rounding; /**< apply no rounding to motion compensation (MPEG4, msmpeg4, ...)
- for b-frames rounding mode is allways 0 */
-
- int hurry_up; /**< when set to 1 during decoding, b frames will be skipped
- when set to 2 idct/dequant will be skipped too */
+ for b-frames rounding mode is always 0 */
/* macroblock layer */
int mb_x, mb_y;
/** identical to the above but for MMX & these are not permutated, second 64 entries are bias*/
uint16_t (*q_intra_matrix16)[2][64];
uint16_t (*q_inter_matrix16)[2][64];
- int block_last_index[12]; ///< last non zero coefficient in block
- /* scantables */
- DECLARE_ALIGNED_8(ScanTable, intra_scantable);
- ScanTable intra_h_scantable;
- ScanTable intra_v_scantable;
- ScanTable inter_scantable; ///< if inter == intra then intra should be used to reduce tha cache usage
/* noise reduction */
int (*dct_error_sum)[64];
GetBitContext last_resync_gb; ///< used to search for the next resync marker
int mb_num_left; ///< number of MBs left in this video packet (for partitioned Slices only)
int next_p_frame_damaged; ///< set if the next p frame is damaged, to avoid showing trashed b frames
- int error_resilience;
+ int error_recognition;
ParseContext parse_context;
/* H.263 specific */
int gob_index;
int obmc; ///< overlapped block motion compensation
+ int showed_packed_warning; ///< flag for having shown the warning about divxs invalid b frames
/* H.263+ specific */
int umvplus; ///< == H263+ && unrestricted_mv
- int h263_aic; ///< Advanded INTRA Coding (AIC)
int h263_aic_dir; ///< AIC direction: 0 = left, 1 = top
int h263_slice_structured;
int alt_inter_vlc; ///< alternative inter vlc
int sprite_brightness_change;
int num_sprite_warping_points;
int real_sprite_warping_points;
+ uint16_t sprite_traj[4][2]; ///< sprite trajectory points
int sprite_offset[2][2]; ///< sprite offset[isChroma][isMVY]
int sprite_delta[2][2]; ///< sprite_delta [isY][isMVY]
int sprite_shift[2]; ///< sprite shift [isChroma]
int mpeg_quant;
int t_frame; ///< time distance of first I -> B, used for interlaced b frames
int padding_bug_score; ///< used to detect the VERY common padding bug in MPEG4
+ int cplx_estimation_trash_i;
+ int cplx_estimation_trash_p;
+ int cplx_estimation_trash_b;
/* divx specific, used to workaround (many) bugs in divx5 */
int divx_version;
/* RV10 specific */
int rv10_version; ///< RV10 version: 0 or 3
int rv10_first_dc_coded[3];
+ int orig_width, orig_height;
/* MJPEG specific */
struct MJpegContext *mjpeg_ctx;
int mjpeg_vsample[3]; ///< vertical sampling factors, default = {2, 1, 1}
int mjpeg_hsample[3]; ///< horizontal sampling factors, default = {2, 1, 1}
- int mjpeg_write_tables; ///< do we want to have quantisation- and huffmantables in the jpeg file ?
- int mjpeg_data_only_frames; ///< frames only with SOI, SOS and EOI markers
/* MSMPEG4 specific */
int mv_table_index;
int broken_link; ///< no_output_of_prior_pics_flag
uint8_t *vbv_delay_ptr; ///< pointer to vbv_delay in the bitstream
- /* MPEG2 specific - I wish I had not to support this mess. */
+ /* MPEG-2-specific - I wished not to have to support this mess. */
int progressive_sequence;
int mpeg_f_code[2][2];
int picture_structure;
int rtp_mode;
uint8_t *ptr_lastgob;
- int swap_uv;//vcr2 codec is mpeg2 varint with UV swaped
- short * pblocks[12];
+ int swap_uv; //vcr2 codec is an MPEG-2 variant with U and V swapped
+ DCTELEM (*pblocks[12])[64];
DCTELEM (*block)[64]; ///< points to one of the following blocks
DCTELEM (*blocks)[8][64]; // for HQ mode we need to keep the best block
} MpegEncContext;
-int DCT_common_init(MpegEncContext *s);
void MPV_decode_defaults(MpegEncContext *s);
int MPV_common_init(MpegEncContext *s);
void MPV_common_end(MpegEncContext *s);
int MPV_encode_init(AVCodecContext *avctx);
int MPV_encode_end(AVCodecContext *avctx);
int MPV_encode_picture(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data);
-#ifdef HAVE_MMX
void MPV_common_init_mmx(MpegEncContext *s);
-#endif
-#ifdef ARCH_ALPHA
void MPV_common_init_axp(MpegEncContext *s);
-#endif
-#ifdef HAVE_MLIB
void MPV_common_init_mlib(MpegEncContext *s);
-#endif
-#ifdef HAVE_MMI
void MPV_common_init_mmi(MpegEncContext *s);
-#endif
-#ifdef ARCH_ARMV4L
-void MPV_common_init_armv4l(MpegEncContext *s);
-#endif
-#ifdef ARCH_POWERPC
-void MPV_common_init_ppc(MpegEncContext *s);
-#endif
-extern void (*draw_edges)(uint8_t *buf, int wrap, int width, int height, int w);
-void ff_copy_bits(PutBitContext *pb, uint8_t *src, int length);
+void MPV_common_init_arm(MpegEncContext *s);
+void MPV_common_init_altivec(MpegEncContext *s);
+void MPV_common_init_bfin(MpegEncContext *s);
void ff_clean_intra_table_entries(MpegEncContext *s);
-void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable);
void ff_draw_horiz_band(MpegEncContext *s, int y, int h);
-void ff_emulated_edge_mc(uint8_t *buf, uint8_t *src, int linesize, int block_w, int block_h,
- int src_x, int src_y, int w, int h);
void ff_mpeg_flush(AVCodecContext *avctx);
void ff_print_debug_info(MpegEncContext *s, AVFrame *pict);
void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix);
void ff_denoise_dct(MpegEncContext *s, DCTELEM *block);
void ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src);
const uint8_t *ff_find_start_code(const uint8_t *p, const uint8_t *end, uint32_t *state);
+void ff_set_qscale(MpegEncContext * s, int qscale);
void ff_er_frame_start(MpegEncContext *s);
void ff_er_frame_end(MpegEncContext *s);
void ff_er_add_slice(MpegEncContext *s, int startx, int starty, int endx, int endy, int status);
-
-extern enum PixelFormat ff_yuv420p_list[2];
+int ff_dct_common_init(MpegEncContext *s);
+void ff_convert_matrix(DSPContext *dsp, int (*qmat)[64], uint16_t (*qmat16)[2][64],
+ const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra);
void ff_init_block_index(MpegEncContext *s);
+void ff_copy_picture(Picture *dst, Picture *src);
+
+/**
+ * allocates a Picture
+ * The pixels are allocated/set by calling get_buffer() if shared=0
+ */
+int ff_alloc_picture(MpegEncContext *s, Picture *pic, int shared);
+
+extern const enum PixelFormat ff_pixfmt_list_420[];
+extern const enum PixelFormat ff_hwaccel_pixfmt_list_420[];
static inline void ff_update_block_index(MpegEncContext *s){
const int block_size= 8>>s->avctx->lowres;
return bits - last;
}
+static inline int ff_h263_round_chroma(int x){
+ static const uint8_t h263_chroma_roundtab[16] = {
+ // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
+ 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1,
+ };
+ return h263_chroma_roundtab[x & 0xf] + (x >> 3);
+}
+
/* motion_est.c */
void ff_estimate_p_frame_motion(MpegEncContext * s,
int mb_x, int mb_y);
void ff_fix_long_p_mvs(MpegEncContext * s);
void ff_fix_long_mvs(MpegEncContext * s, uint8_t *field_select_table, int field_select,
int16_t (*mv_table)[2], int f_code, int type, int truncate);
-void ff_init_me(MpegEncContext *s);
+int ff_init_me(MpegEncContext *s);
int ff_pre_estimate_p_frame_motion(MpegEncContext * s, int mb_x, int mb_y);
-inline int ff_epzs_motion_search(MpegEncContext * s, int *mx_ptr, int *my_ptr,
+int ff_epzs_motion_search(MpegEncContext * s, int *mx_ptr, int *my_ptr,
int P[10][2], int src_index, int ref_index, int16_t (*last_mv)[2],
int ref_mv_scale, int size, int h);
-inline int ff_get_mb_score(MpegEncContext * s, int mx, int my, int src_index,
+int ff_get_mb_score(MpegEncContext * s, int mx, int my, int src_index,
int ref_index, int size, int h, int add_rate);
/* mpeg12.c */
-extern const uint16_t ff_mpeg1_default_intra_matrix[64];
-extern const uint16_t ff_mpeg1_default_non_intra_matrix[64];
extern const uint8_t ff_mpeg1_dc_scale_table[128];
+extern const uint8_t * const ff_mpeg2_dc_scale_table[4];
void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number);
void mpeg1_encode_mb(MpegEncContext *s,
void ff_mpeg1_encode_init(MpegEncContext *s);
void ff_mpeg1_encode_slice_header(MpegEncContext *s);
void ff_mpeg1_clean_buffers(MpegEncContext *s);
+int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size, AVCodecParserContext *s);
-#include "rl.h"
-
-extern const uint8_t ff_mpeg4_y_dc_scale_table[32];
-extern const uint8_t ff_mpeg4_c_dc_scale_table[32];
extern const uint8_t ff_aic_dc_scale_table[32];
-extern const int16_t ff_mpeg4_default_intra_matrix[64];
-extern const int16_t ff_mpeg4_default_non_intra_matrix[64];
extern const uint8_t ff_h263_chroma_qscale_table[32];
extern const uint8_t ff_h263_loop_filter_strength[32];
int ff_h261_get_picture_format(int width, int height);
-/* h263.c, h263dec.c */
-int ff_h263_decode_init(AVCodecContext *avctx);
-int ff_h263_decode_frame(AVCodecContext *avctx,
- void *data, int *data_size,
- uint8_t *buf, int buf_size);
-int ff_h263_decode_end(AVCodecContext *avctx);
-void h263_encode_mb(MpegEncContext *s,
- DCTELEM block[6][64],
- int motion_x, int motion_y);
-void mpeg4_encode_mb(MpegEncContext *s,
- DCTELEM block[6][64],
- int motion_x, int motion_y);
-void h263_encode_picture_header(MpegEncContext *s, int picture_number);
-void ff_flv_encode_picture_header(MpegEncContext *s, int picture_number);
-void h263_encode_gob_header(MpegEncContext * s, int mb_line);
-int16_t *h263_pred_motion(MpegEncContext * s, int block, int dir,
- int *px, int *py);
-void mpeg4_pred_ac(MpegEncContext * s, DCTELEM *block, int n,
- int dir);
-void ff_set_mpeg4_time(MpegEncContext * s, int picture_number);
-void mpeg4_encode_picture_header(MpegEncContext *s, int picture_number);
-#ifdef CONFIG_ENCODERS
-void h263_encode_init(MpegEncContext *s);
-#else
-static void h263_encode_init(MpegEncContext *s) {assert(0);}
-#endif
-void h263_decode_init_vlc(MpegEncContext *s);
-int h263_decode_picture_header(MpegEncContext *s);
-int ff_h263_decode_gob_header(MpegEncContext *s);
-int ff_mpeg4_decode_picture_header(MpegEncContext * s, GetBitContext *gb);
-void ff_h263_update_motion_val(MpegEncContext * s);
-void ff_h263_loop_filter(MpegEncContext * s);
-void ff_set_qscale(MpegEncContext * s, int qscale);
-int ff_h263_decode_mba(MpegEncContext *s);
-void ff_h263_encode_mba(MpegEncContext *s);
-
-int intel_h263_decode_picture_header(MpegEncContext *s);
-int flv_h263_decode_picture_header(MpegEncContext *s);
-int ff_h263_decode_mb(MpegEncContext *s,
- DCTELEM block[6][64]);
-int ff_mpeg4_decode_mb(MpegEncContext *s,
- DCTELEM block[6][64]);
-int h263_get_picture_format(int width, int height);
-void ff_mpeg4_encode_video_packet_header(MpegEncContext *s);
-void ff_mpeg4_clean_buffers(MpegEncContext *s);
-void ff_mpeg4_stuffing(PutBitContext * pbc);
-void ff_mpeg4_init_partitions(MpegEncContext *s);
-void ff_mpeg4_merge_partitions(MpegEncContext *s);
-void ff_clean_mpeg4_qscales(MpegEncContext *s);
-void ff_clean_h263_qscales(MpegEncContext *s);
-int ff_mpeg4_decode_partitions(MpegEncContext *s);
-int ff_mpeg4_get_video_packet_prefix_length(MpegEncContext *s);
-int ff_h263_resync(MpegEncContext *s);
-int ff_h263_get_gob_height(MpegEncContext *s);
-void ff_mpeg4_init_direct_mv(MpegEncContext *s);
-int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my);
-int ff_h263_round_chroma(int x);
-void ff_h263_encode_motion(MpegEncContext * s, int val, int f_code);
-
-
/* rv10.c */
void rv10_encode_picture_header(MpegEncContext *s, int picture_number);
int rv_decode_dc(MpegEncContext *s, int n);
int motion_x, int motion_y);
int msmpeg4_decode_picture_header(MpegEncContext * s);
int msmpeg4_decode_ext_header(MpegEncContext * s, int buf_size);
-int ff_msmpeg4_decode_init(MpegEncContext *s);
+int ff_msmpeg4_decode_init(AVCodecContext *avctx);
void ff_msmpeg4_encode_init(MpegEncContext *s);
int ff_wmv2_decode_picture_header(MpegEncContext * s);
int ff_wmv2_decode_secondary_picture_header(MpegEncContext * s);
DCTELEM block[6][64],
int motion_x, int motion_y);
-/* mjpeg.c */
-int mjpeg_init(MpegEncContext *s);
-void mjpeg_close(MpegEncContext *s);
-void mjpeg_encode_mb(MpegEncContext *s,
- DCTELEM block[6][64]);
-void mjpeg_picture_header(MpegEncContext *s);
-void mjpeg_picture_trailer(MpegEncContext *s);
-void ff_mjpeg_stuffing(PutBitContext * pbc);
-
#endif /* AVCODEC_MPEGVIDEO_H */
projects / ffmpeg / blobdiff